i18n(ja): fix false-friend mistranslation of global statistics

[yahonda]

What is changed, added or deleted? (Required)

optimizer-fix-controls.md: "global" in "global statistics" (a specific TiDB statistics-collection concept, see statistics.md) was mistranslated as 世界 (world) instead of グローバル, producing 世界統計. Fixed to グローバル統計情報, matching the term already used consistently elsewhere in this corpus for the same concept.

Found via the live doc site: https://docs.pingcap.com/ja/tidb/stable/optimizer-fix-controls/

Which TiDB version(s) do your changes apply to? (Required)

• i18n-ja-release-8.5 (TiDB Japanese documentation for TiDB 8.5 versions)

What is the related PR or file link(s)?

• This PR is translated from:
• Other reference link(s):

AI agent involvement

• The changes in this PR were primarily made by an AI agent on behalf of the PR author.

Do your changes match any of the following descriptions?

• Delete files
• Change aliases
• Need modification after applied to another branch
• Might cause conflicts after applied to another branch

Summary by CodeRabbit

• Documentation
  • Corrected terminology in the optimizer fix control documentation to clarify that the setting refers to global statistics.
  • No behavior or control semantics changed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between cabd7c5 and a1c04c1.

📒 Files selected for processing (1)

• optimizer-fix-controls.md

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📝 Walkthrough

Walkthrough

The documentation for optimizer fix control 44262 replaces “世界統計” with “グローバル統計情報”. No control semantics or behavior changed.

Changes

Optimizer fix control documentation

Layer / File(s)	Summary
Global statistics terminology optimizer-fix-controls.md	Corrects the Japanese term for global statistics in the description of fix control 44262.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to a1c04

This localized documentation correction changes one Japanese translation to use the established term for global statistics; no actionable merge-blocking risk remains after normal checks and review.

Suggested reviewers: qiancai

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the Japanese localization change and the correction of the mistranslated term for global statistics.
Description check	✅ Passed	The description explains the terminology correction, identifies the changed file, specifies the affected TiDB documentation version, and completes the relevant template sections.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix-global-statistics-mistranslation

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